Finding the Fourth Proportional to 1,601,290.24, 2,209,520.64 and 885,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,290.24 : 2,209,520.64 = 885,760 : x
2. Step 2: Convert to fraction form
   1,601,290.24/2,209,520.64 = 885,760/x
3. Step 3: Cross multiply
   1,601,290.24x = 2,209,520.64 × 885,760
4. Step 4: Simplify right side
   1,601,290.24x = 1,957,105,002,086.40
5. Step 5: Solve for x
   x = 1,957,105,002,086.40/1,601,290.24
6. Step 6: Final answer
   x = 1,222,205.04